A Scottish George III mahogany mercury stick barometer, Laurence Dalgleish, Edinburgh, circa 1800-10.With line-edge concave pediment over inset arched silvered scale with recording slider and calibrations in barometric inches to the right hand margin opposing weather observations to the left, the upper margin with engraved signature Laur’Dalgleish, EDIN’R and the lower with cavetto shaped recesses to angles, the line-edged mahogany veneered trunk with exposed tube above oval base applied with conforming cushion-shaped cistern cover, 95cm (37.5ins) high. Provenance: Private collection Hampshire (B6); purchased from Reno’s Antiques, Winchester, 29th April 1980 for £250. Laurence Dalgleish is recorded in Banfield, Edwin BAROMETER MAKERS & RETAILERS 1660-1900 as a clock and watch maker working in Edinburgh 1771-1821.The current lot is very much in the style of the celebrated German-born maker Balthazar Knie who arrived and set-up business in Edinburgh in 1776 where he remained working until his death in 1817. Two examples of Knie’s work are illustrated in Banfield, Edwin BAROMETERS, Stick or Cistern tube on page 80.